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    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    On the basis of different product production batch, specific models, pictures are for reference only details you can contact our sales staff for specific verification.

    Shearer Product Details

    MG Series Shearer

    Can be matched with hydraulic support and working surface scraper conveyor to realize comprehensive mechanized coal mining

    Due to the short and narrow body of the coal mining machine, it can also be matched with a single hydraulic prop, a metal hinged roof beam and a working surface conveyor to realize the generalized mechanized mining of the coal mining working face.

    Due to the coal mining machine airframe short and narrow, it can also be used with single hydraulic prop, metal articulated roof beam and form a complete set of working face conveyor, realize mechanization of high-grade conventional mining working face in coal mining.

    The MG series shearer produced by our company is suitable for long-wall coal mining face with coal mining height of 1.4 ~ 2.4m , inclination angle of less than 30 °, medium hard or below medium hard , and containing a small amount of intercalated stones. The electrical equipment of the coal mining machine meets the requirements of mine explosion-proof regulations, and can be used in mines in which the methane, coal dust, hydrogen sulfide, carbon dioxide, etc. in the surrounding air do not exceed the safe content specified in the "Coal Mine Safety Regulations".
    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    On the basis of different product production batch, specific models, pictures are for reference only details you can contact our sales staff for specific verification.

    Product Features of Shearer

    Compared with the same type of unit, the shearer has the following characteristics
    01

    The length of the fuselage is short and narrow, and the scope of application is wide; the main components are designed according to the power of 250KW motor, with large strength margin and high reliability. The motor can be replaced with a 250KW power shearer;

    The fuselage length short, narrow and wide adaptation; The main components are designed by 250 kw electric motor power, strength margin, high reliability, can replace the motor can be 250 kw power shearer;
    02

    Uses hydraulic stepless speed regulation. Gear-pin row type chainless traction, stable work and large traction. The traction transmission is set at both ends of the fuselage. Due to the use of a double traction mechanism, the specific pressure of the transmission gear to the pin row is reduced, the service life of the pin row is increased, and the traction force of the whole machine is greatly improved. The maximum traction force is 350KN;

    Hydraulic variable speed. Gear-pin-row chainless traction, smooth, traction. Traction drive unit provided at both ends of the body, due to the double traction mechanism, not only reduces the transmission gear ratio of the pressure of the rows of pins, to improve the life of rows of pins, and also allows the machine greatly improved traction, maximum traction force of 350KN;
    03

    The system is simple and reliable, the control handle is centralized, and the operation and maintenance are convenient; the oil motor and brake are arranged on the side of the traction drive near the old pond, which is convenient for underground replacement, and the oil is not easy to pollute;

    Simple and reliable system, centralized control handle, easy operation and maintenance; motor oil and brake traction drive unit arranged in the side by the old pond, easy replacement of the underground, and the oil pollution is not easy;
    04

    Adopting internal and external spray cooling systems to improve the working surface environment and the reliability of the shearer. The cable dragging device is adopted to protect the cables and water pipes and reduce the labor intensity of the workers. The power supply voltage is 660V and 1140V to meet the needs of different users.

    Inside and outside the spray cooling system, to improve the working face environment, improve the reliability of shearer work. Using cable drag device to protect cables and pipes, reduce labor intensity; supply voltage 660V and 1140V are two, in order to adapt to different user needs.
    05

    The coal mining electromechanical control type adopts power carrier control, which can reduce the control core wire, cancel the multi-core cable, and can complete a variety of action functions to ensure the safe and reliable operation of the coal mining machine.

    Coal electrical control type with power carrier control, can reduce the control wire to cancel multi-core cables, and can complete a variety of actions, and ensure the safe and reliable operation of shearer.
    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    On the basis of different product production batch, specific models, pictures are for reference only details you can contact our sales staff for specific verification.

    Shearer technical characteristics

    Name Parameter
    Mining height range m 1.4 ~ 2.4
    Machine height mm 1150
    Adapt to coal seam inclination ≤30 °
    Adapt to coal seam hardness f≤4
    Rocker arm length mm 1685
    Rocker swing angle Hem angle (°) 33 °
    Hem angle (°) 16 °

    Electricity

    machine

    Power kW 200
    Speed r / min 1470
    Voltage V 660, 1140
    cooling method Water cooling
    Drum speed r / min 44.2
    Cutting speed m / s 2.87
    Roller diameter mm 1400
    Roller cut depth mm 600
    Spray method Inside and outside spray
    Traction form Gear-pin rail hydraulic chainless traction
    Traction speed m / min 0 ~ 6
    Traction force kN 350
    Traction center distance mm 4437
    Center distance of swing arm mm 3290
    Max length of rocker when horizontal, mm 6660
    Main frame length mm 5620
    Speed of main pump shaft r / min 1755.83
    Displacement of main pump ml / r 125
    Increase pump shaft speed r / min 1425.46
    Increase pump displacement ml / r 8
    Speed of charge pump shaft r / min 1425.46
    Charge pump displacement ml / r 25
    Brake pressure MPa 2
    Undercover mm 175
    Total weight kg 21000
    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    On the basis of different product production batch, specific models, pictures are for reference only details you can contact our sales staff for specific verification.

    Shearer maintenance

    Correct maintenance and overhaul are very important to improve the reliability of the machine, reduce the accident rate and extend the service life. Its main content is generally divided into daily inspection, weekly inspection, quarterly inspection and overhaul .

    Daily inspection

    1. Check whether the hydraulic nuts and other screws connected to the major components are fully tightened, and tighten them in time if they are loose;

    2. Whether the cables, water pipes and oil pipes are squeezed or damaged

    3. Check whether each pressure gauge is damaged;

    4. Whether the oil level of each part meets the requirements and whether there is leakage

    5. Whether each operation handle and button movement are flexible;

    6. Whether the picks and tooth seats are damaged or lost, and the picks are lost, they must be replaced in time;

    7. Whether the nozzle is blocked and damaged, whether the water valve is working normally, the blocked nozzle should be cleaned and replaced in time;

    8. Working conditions of smooth boots and guide shoes;

    9. When the machine is running, the oil pressure, temperature rise and sound of each part, and whether the connection between the sections is loose;

    10. Water volume inspection, especially for cooling water, must meet the requirements.

    Weekly inspection

    1. Clean the filter element in the pump station and water valve;

    2. Sampling from the drain port to test whether the quality of the filtered oil in the working oil meets the requirements;

    3. Check and deal with the problems that cannot be handled during the daily inspection, and make a record of the general situation of the whole machine;

    4. Check the driver's daily maintenance and fault records of the coal mining machine.

    Quarterly inspection

    In addition to the content of the weekly inspection, the quarterly inspection is to maintain and repair the problems that the weekly inspection cannot handle, and to check the daily and weekly inspections of the driver of the coal mining machine, and make a record of the quarterly inspection.

    Overhaul

    Shearer should be lifted and overhauled after mining a working face. The overhaul requires the coal mining machine to be disassembled, cleaned and inspected, replace damaged parts, measure the gear meshing clearance, perform maintenance and experiments on the hydraulic components as required, and perform electrical tests when the electrical components are replaced.

    Due to different production batches and specific models, the pictures are for reference only. Please contact our sales staff for specific verification.

    On the basis of different product production batch, specific models, pictures are for reference only details you can contact our sales staff for specific verification.

    Shearer customer evaluation

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